-28.33% is the change from 939 to 673
Calculation steps:
[( 673 - 939 ) ÷ 939] x 100 = -28.33%
Formula
Percentage change = [(673 - 939) / 939] x 100
Subtract the new number by the original number
673 - 939 = -266
-266 ÷ 939 = -0.2832800851970181
-0.2832800851970181 x 100 = -28.33%